Home / 3,209,024.50-4,428,453.84-1,919,919.22

Finding the Fourth Proportional to 3,209,024.50, 4,428,453.84 and 1,919,919.22

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Solution

The fourth proportional to 3,209,024.50, 4,428,453.84 and 1,919,919.22 is: 2,649,488.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,024.50 : 4,428,453.84 = 1,919,919.22 : x
  2. Step 2: Convert to fraction form
    3,209,024.50/4,428,453.84 = 1,919,919.22/x
  3. Step 3: Cross multiply
    3,209,024.50x = 4,428,453.84 × 1,919,919.22
  4. Step 4: Simplify right side
    3,209,024.50x = 8,502,273,642,298.81
  5. Step 5: Solve for x
    x = 8,502,273,642,298.81/3,209,024.50
  6. Step 6: Final answer
    x = 2,649,488.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.